Add Yahoo as a preferred source to see more of our stories on Google. This photo of a volcano in Iceland doesn't even begin to encapsulate the devastation that would happen if the Yellowstone volcano ...
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Why scientists are watching these restless supervolcanoes that could trigger a volcanic winter
Instead of forming a towering peak, the Campi Flegrei volcano is a giant 13 kilometer wide crater known as a caldera. Prehistoric blasts formed this giant depression. Today, the port town of Pozzuoli ...
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